Yes, it seems to be the wrong email. Sorry for the inconvenience. I have created another ticket with ticket number #231767.
Put the plugin into the theme like this
wp-content/themes/mytheme/blade/
Then in your functions.php include the blade.php like this
require_once 'blade/blade.php';
I’ve put the project on GitHub.
https://github.com/MikaelMattsson/blade
I would be be very happy if you contributed.